New Enroll in RBI Grade B New Batch - Starts on May 21

    Question

    3 chairs and 2 tables cost Rs. 700 and 5 chairs and 3

    tables cost Rs. 1100. What is the cost of 1 chair and 2 tables?
    A Rs. 350 Correct Answer Incorrect Answer
    B Rs. 400 Correct Answer Incorrect Answer
    C Rs. 500 Correct Answer Incorrect Answer
    D Rs. 550 Correct Answer Incorrect Answer

    Solution

    Let the chair =x and table =y   3x +2y=700              … (1) ×5 5x+3y =1100             … (2) ×3 15x+10y =3500         … (3) 15x +9y =3300          … (4) Equation (4)-(3). Y =200. X =100. So now- The cost price of 1 chair and 2 tables- =100+2×200=500Rs.

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